21452501

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1597}}^1$

素因数の和:1724

約数の個数: 16

約数和(自身を含む): 26079360

約数和(自身を除く): 4626859

約数列:

[1, 7, 19, 101, 133, 707, 1597, 1919, 11179, 13433, 30343, 161297, 212401, 1129079, 3064643, 21452501]

約数ペア:

[(1, 21452501), (7, 3064643), (19, 1129079), (101, 212401), (133, 161297), (707, 30343), (1597, 13433), (1919, 11179)]